?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Farianty&rft.au=Farianty%2C+Dhika&rft.aufirst=Dhika&rft.pages=280-284&rft.atitle=Biodiesel+Production+from+Palm+and+Waste+Cooking+Oils+Catalyzed+by+Silica-Titania+Catalyst+with+Time+Variation&rft.date=July+2019&rft.issue=7&rft.issn=2456-2165&rft.title=International+Journal+of+Innovative+Science+and+Research+Technology&rft.volume=4&rft.genre=article